ClassID:

231379

H04Q11/0457 - CPC Classification

Classification description:

Selecting arrangements for multiplex systems for time-division multiplexing; Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals; Details Connection protocols

Recent Application in this class:
#1
20250386124
2025-12-18

METHOD FOR CONFIGURING AN OPTICAL-FIBRE COUPLING DEVICE AND DEVICE IMPLEMENTING THE METHOD

#2
20220321224
2022-10-06

Communication system and method for an optical local area network

#3
20220247493
2022-08-04

COMMUNICATION SYSTEM AND METHOD FOR AN OPTICAL LOCAL AREA NETWORK

#4
20210143913
2021-05-13

COMMUNICATION SYSTEM AND METHOD FOR AN OPTICAL LOCAL AREA NETWORK

#5
20210135757
2021-05-06

System and Method for Optical Layer Management in Optical Modules and Remote Control of Optical Modules

#6
20200266898
2020-08-20

Communication system and method for an optical local area network

#7
20200137470
2020-04-30

Wireless communication protocol with peripheral devices

#8
20190230422
2019-07-25

INTELLIGENT MODEL FOR DYNAMICALLY SELECTING BEST TRANSMISSION CHANNEL

#9
20150139647
2015-05-21

System and method for optical layer management in optical modules and remote control of optical modules

#10
20140254586
2014-09-11

Call setup using voice over the internet protocol (VoIP)

#11
20140177452
2014-06-26

Network element for switching time division multiplex signals

#12
20120275784
2012-11-01

System and method for optical layer management in optical modules and remote control of optical modules

#13
20120075406
2012-03-29

Method and system for handling a multi-media call setup request

#14
20110105076
2011-05-05

Method and system for adding information to an emergency call

#15
20110038468
2011-02-17

Method and system for measuring market-share for an entire telecommunication market

#16
20110002328
2011-01-06

Method, system, and device for setting up a call using a global registry

#17
20080186953
2008-08-07

System and method to identify voice call continuity (VCC) subscriber

#18
20080151929
2008-06-26

Communication circuitry, devices and methods

#19
20080030572
2008-02-07

Multipoint audiovisual conferencing system

#20
20060245568
2006-11-02

Gateway device, private branch exchange system, and private branch exchange method

#21
20060222171
2006-10-05

Service-specific treatment of a call request in terms of the called subscriber line

#22
20060218293
2006-09-28

Matching DSL data link layer protocol detection

#23
20060182089
2006-08-17

VoIP gateway apparatus

#24
20060056416
2006-03-16

Call setup in a video telephony network

#25
20050237954
2005-10-27

Digital subscriber line transmission method, apparatus and system

#26
20050232234
2005-10-20

Efficient connection of ISDN private branch exchanges to a packet-switched network

#27
20050232171
2005-10-20

Digital subscriber line transmission method, apparatus and system

#28
20050220081
2005-10-06

V.110 over packet networks

#29
20050197072
2005-09-08

Communication apparatus having wired communication function and wireless communication function, and control method therefor

#30
20050152514
2005-07-14

Method of sharing and transferring information between ISDN telephones

#31
20050101266
2005-05-12

Method for dynamic channel allocation

#32
20050073996
2005-04-07

Call setup using voice over the internet protocol (VoIP)

#33
20050030973
2005-02-10

Media convert service providing method

#34
17098954
2021-11-30

Enhanced high frequency avalanche relay protocol

#35
10221519
2016-02-16

Method for protecting an internet supplementary service